{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:MTJRCJ3F6JN6YWVSWXDDJMWJQH","short_pith_number":"pith:MTJRCJ3F","canonical_record":{"source":{"id":"1611.01577","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-11-05T00:35:05Z","cross_cats_sorted":[],"title_canon_sha256":"7c8e147dc6c0911c054176b2634ca52d5ff74a6b80587bafb12df2fa979c131a","abstract_canon_sha256":"e73a0a7c3335617fce1a9b5c8ff4229feec316e228bf1fbb9fc31f8be3ce010e"},"schema_version":"1.0"},"canonical_sha256":"64d3112765f25bec5ab2b5c634b2c981fcc9545e7dacd7448bec0c75005b5a22","source":{"kind":"arxiv","id":"1611.01577","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.01577","created_at":"2026-05-18T00:56:19Z"},{"alias_kind":"arxiv_version","alias_value":"1611.01577v1","created_at":"2026-05-18T00:56:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.01577","created_at":"2026-05-18T00:56:19Z"},{"alias_kind":"pith_short_12","alias_value":"MTJRCJ3F6JN6","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"MTJRCJ3F6JN6YWVS","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"MTJRCJ3F","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:MTJRCJ3F6JN6YWVSWXDDJMWJQH","target":"record","payload":{"canonical_record":{"source":{"id":"1611.01577","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-11-05T00:35:05Z","cross_cats_sorted":[],"title_canon_sha256":"7c8e147dc6c0911c054176b2634ca52d5ff74a6b80587bafb12df2fa979c131a","abstract_canon_sha256":"e73a0a7c3335617fce1a9b5c8ff4229feec316e228bf1fbb9fc31f8be3ce010e"},"schema_version":"1.0"},"canonical_sha256":"64d3112765f25bec5ab2b5c634b2c981fcc9545e7dacd7448bec0c75005b5a22","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:56:19.022348Z","signature_b64":"RbkUTabYB+J9X054KJBlkdyYcYPeOnmwZ8WxXBW7CXLcXhYs8Vof18foA5H6rc+AZP3PJLaeNQc8K2YssYLVBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64d3112765f25bec5ab2b5c634b2c981fcc9545e7dacd7448bec0c75005b5a22","last_reissued_at":"2026-05-18T00:56:19.021699Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:56:19.021699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.01577","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:56:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cmkFN2RZdyMCDWjYYT2jJ/yUmdeo9DYP1/45i5HnSR5jpkgGnpO31Ek03AKpTSDCMp0AG5CHx1nA5BozkgVBBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:40:00.004907Z"},"content_sha256":"2b97ffe52588886126f0887b0567d89dd18acb51836743eadbfd0a3db31e9f92","schema_version":"1.0","event_id":"sha256:2b97ffe52588886126f0887b0567d89dd18acb51836743eadbfd0a3db31e9f92"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:MTJRCJ3F6JN6YWVSWXDDJMWJQH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interfacial Control of Dzyaloshinskii Moriya Interaction in Heavy Metal_Ferromagnetic Metal Thin Film Heterostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Di Wu, Guoqiang Yu, John Q. Xiao, Kang L. Wang, Kevin S. Olsson, Kyongmo An, Tao Wang, Xiang Li, Xiaoqin Li, Xin Ma, Zhaodong Chu","submitted_at":"2016-11-05T00:35:05Z","abstract_excerpt":"The interfacial Dzyaloshinskii Moriya Interaction (DMI) in ultrathin magnetic thin film heterostructures provides a new approach for controlling spin textures on mesoscopic length scales. Here we investigate the dependence of the interfacial DMI constant D on a Pt wedge insertion layer in Ta_CoFeB_Pt(wedge)_MgO thin films by observing the asymmetric spin wave dispersion using Brillouin light scattering. Continuous tuning of D by more than a factor of three is realized by inserting less than one monolayer of Pt. The observations provide new insights for designing magnetic thin film heterostruct"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.01577","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:56:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9Hio9o51/ndGU93jIia8neJo6cXhLHAXLxUqouWTer9IJBRwCCuroikS7S0d8nGqL3RHMexVyp38XkuZdqPwBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:40:00.005346Z"},"content_sha256":"9d25eaa990d53c55a6415e4f9c2b9902f799b0e1863d4b9e105ddf03005b177f","schema_version":"1.0","event_id":"sha256:9d25eaa990d53c55a6415e4f9c2b9902f799b0e1863d4b9e105ddf03005b177f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MTJRCJ3F6JN6YWVSWXDDJMWJQH/bundle.json","state_url":"https://pith.science/pith/MTJRCJ3F6JN6YWVSWXDDJMWJQH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MTJRCJ3F6JN6YWVSWXDDJMWJQH/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-26T11:40:00Z","links":{"resolver":"https://pith.science/pith/MTJRCJ3F6JN6YWVSWXDDJMWJQH","bundle":"https://pith.science/pith/MTJRCJ3F6JN6YWVSWXDDJMWJQH/bundle.json","state":"https://pith.science/pith/MTJRCJ3F6JN6YWVSWXDDJMWJQH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MTJRCJ3F6JN6YWVSWXDDJMWJQH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:MTJRCJ3F6JN6YWVSWXDDJMWJQH","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"e73a0a7c3335617fce1a9b5c8ff4229feec316e228bf1fbb9fc31f8be3ce010e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-11-05T00:35:05Z","title_canon_sha256":"7c8e147dc6c0911c054176b2634ca52d5ff74a6b80587bafb12df2fa979c131a"},"schema_version":"1.0","source":{"id":"1611.01577","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.01577","created_at":"2026-05-18T00:56:19Z"},{"alias_kind":"arxiv_version","alias_value":"1611.01577v1","created_at":"2026-05-18T00:56:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.01577","created_at":"2026-05-18T00:56:19Z"},{"alias_kind":"pith_short_12","alias_value":"MTJRCJ3F6JN6","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"MTJRCJ3F6JN6YWVS","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"MTJRCJ3F","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:9d25eaa990d53c55a6415e4f9c2b9902f799b0e1863d4b9e105ddf03005b177f","target":"graph","created_at":"2026-05-18T00:56:19Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The interfacial Dzyaloshinskii Moriya Interaction (DMI) in ultrathin magnetic thin film heterostructures provides a new approach for controlling spin textures on mesoscopic length scales. Here we investigate the dependence of the interfacial DMI constant D on a Pt wedge insertion layer in Ta_CoFeB_Pt(wedge)_MgO thin films by observing the asymmetric spin wave dispersion using Brillouin light scattering. Continuous tuning of D by more than a factor of three is realized by inserting less than one monolayer of Pt. The observations provide new insights for designing magnetic thin film heterostruct","authors_text":"Di Wu, Guoqiang Yu, John Q. Xiao, Kang L. Wang, Kevin S. Olsson, Kyongmo An, Tao Wang, Xiang Li, Xiaoqin Li, Xin Ma, Zhaodong Chu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-11-05T00:35:05Z","title":"Interfacial Control of Dzyaloshinskii Moriya Interaction in Heavy Metal_Ferromagnetic Metal Thin Film Heterostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.01577","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:2b97ffe52588886126f0887b0567d89dd18acb51836743eadbfd0a3db31e9f92","target":"record","created_at":"2026-05-18T00:56:19Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"e73a0a7c3335617fce1a9b5c8ff4229feec316e228bf1fbb9fc31f8be3ce010e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-11-05T00:35:05Z","title_canon_sha256":"7c8e147dc6c0911c054176b2634ca52d5ff74a6b80587bafb12df2fa979c131a"},"schema_version":"1.0","source":{"id":"1611.01577","kind":"arxiv","version":1}},"canonical_sha256":"64d3112765f25bec5ab2b5c634b2c981fcc9545e7dacd7448bec0c75005b5a22","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64d3112765f25bec5ab2b5c634b2c981fcc9545e7dacd7448bec0c75005b5a22","first_computed_at":"2026-05-18T00:56:19.021699Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:56:19.021699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RbkUTabYB+J9X054KJBlkdyYcYPeOnmwZ8WxXBW7CXLcXhYs8Vof18foA5H6rc+AZP3PJLaeNQc8K2YssYLVBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:56:19.022348Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.01577","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b97ffe52588886126f0887b0567d89dd18acb51836743eadbfd0a3db31e9f92","sha256:9d25eaa990d53c55a6415e4f9c2b9902f799b0e1863d4b9e105ddf03005b177f"],"state_sha256":"6f60213b743904a45b27ae7772b43485ba6be69e8278b8f6f140fe61a77fc647"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ko8us5n9bhoGZCNY5Bu9zmulD9kPFeo9TyCwL7r/3INOLd6K8Qxso7MoowH2GEYflB03jyhCDxrGXJ3CVE9GBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T11:40:00.010083Z","bundle_sha256":"db0290159c4b8f58bae76d86381987dc4b99ebc2debccf3bf5ecb6db1804cd8e"}}